#ADD3F2
Closest named color: Light Blue (#ADD8E6). oklch(85% 0.059 243.1), rgb(173, 211, 242).
Aa
Black text reads best on this color (13.37:1).
About this color
#ADD3F2 is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.059 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.025 away. Black text reads best on it, at 13.37:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.37:1 |
| White text | 1.56:1 |
Values
| HEX | #ADD3F2 |
| RGB | rgb(173, 211, 242) |
| HSL | hsl(207, 73%, 81%) |
| OKLCH | oklch(85% 0.059 243.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ADD3F2 | 1.56:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #ADD3F2 | 13.37:1 | AAA | Lc 77.8 | Fine for body text |
| #ADD3F2 text on white | 1.56:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #ADD3F2 text on black | 13.37:1 | AAA | Lc -77.1 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200 (this color)
#ADD3F2
oklch(85% 0.059 243.1)
-
Step 300
300
#96C7EE
oklch(80.9% 0.076 242.8)
-
Step 400
400
#55A9E6
oklch(70.8% 0.121 242.6)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#00466E
oklch(37.8% 0.091 242.8)
-
Step 950
950
#012943
oklch(27% 0.064 243.1)
#ADD3F2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C6D3F4 | 0.031 |
| Deuteranopia (no green cones) | #BDCBF1 | 0.027 |
| Tritanopia (no blue cones) | #98DADD | 0.047 |
| Achromatopsia (no color) | #CECECE | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3F2
#ADD3F2
oklch(85% 0.059 243.1)
- #EAC6A6
#EAC6A6
oklch(84.9% 0.059 63.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ADD3F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.041
- Celeste #A8DADC ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.047
- Sky Blue #87CEEB ΔE 0.047
Use #ADD3F2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.